Remove Social Login from Dashboard and WebApp

[borkopetrovicc]

Description

This PR solves # .

Steps completed:

According to our definition of done, I have completed the following steps:

• [ ] Acceptance criteria met
• [ ] Unit tests added
• [ ] Docs updated (including config and env variables)
• [ ] Translations added
• [ ] UX tested
• [ ] Browsers / platforms tested
• [ ] Rebased & ready to merge without conflicts
• [ ] Reviewed own code

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 8f154b1):

https://ottwebapp--pr542-fix-remove-social-lo-ze9ahlln.web.app

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[ChristiaanScheermeijer]

Should ~profiles~ social login buttons also be disabled in the registration form?

https://github.com/jwplayer/ott-web-app/blob/1794113cce60dbb02ff5ab999b132b354d14a661/packages/ui-react/src/components/RegistrationForm/RegistrationForm.tsx#L85-L90